package com.atguigu.gulimall.order.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class GuliFeignConfig {

    @Bean
    public RequestInterceptor requestInterceptor(){

        return new RequestInterceptor() {
            @Override
            public void apply(RequestTemplate template) {


                //1.RequestContextHolder拿到刚进来的请求
                ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if(attributes!=null){

                    HttpServletRequest request = attributes.getRequest();//老请求

                    if(request!=null){
                        //同步请求头数据，cookie
                        template.header("Cookie",request.getHeader("Cookie"));

                    }
                }


            }
        };
    }
}
